3M 26127, PPS Series 2.0 Adapter, Type S31, 1/8 Male, 28 Thread BSP, 7100135953 
Dynabrade 95677 1/4" Male Plug with 1/4" NPT Female Thread 
Insize 4131-1B2, AMERICAN STANDARD THREAD PLUG GAGE, 1/4-28UNF, 6928640358951
$91.85
Class 2B.
Standard ANSI/ASME B1.2
Supplied with Go and No-Go gages together
Supplied with manufacturer inspection certificate.
Related products
Air Tool Accessories
Dynabrade 94990 1/4″ Female Composite-Style Coupler with 1/4″ Male Plug Assembly
$42.31
